Brian O'Connor, MD

Primary specialty

Medical Oncology PhysicianTaxonomy code 207RX0202X

License

D31761 Issued in MD

Practice address

1562 Opossumtown Pike
Frederick, MD 21702-4337

Phone

(301) 662-8477

NPI assigned

Aug 17, 2005

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Other identifiers 5

Medicare fee-for-service enrollment

Enrolled in MD

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Frederick Health Hospital Inc

  • Radiation Oncology Clinic/Center
  • Frederick, MD
  • NPI 1891154100
  Medicare reassignment NPD
• Frederick Health Medical Group LLC

  • Family Medicine Physician
  • Frederick, MD
  • NPI 1619258225

  Hematology & Oncology

  Medicare reassignment NPD
• Frederick Health Hospital Inc

  • Radiology Clinic/Center
  • Frederick, MD
  • NPI 1699559823
  NPD
• Frederick Health Medical Group LLC

  • Family Medicine Physician
  • Mount Airy, MD
  • NPI 1114771862

  Hematology & Oncology

  NPD
• Frederick Health Medical Group LLC

  • Psychiatry Physician
  • Frederick, MD
  • NPI 1457793424
  NPD
• Frederick Health Hospital Inc

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1124236800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1557878400000",
    "number": "1174515050",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 37086",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212973086",
            "telephone_number": "240-439-8733",
            "fax_number": "240-439-8910"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1562 OPOSSUMTOWN PIKE",
            "city": "FREDERICK",
            "state": "MD",
            "postal_code": "217024337",
            "telephone_number": "301-662-8477"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "501 W 7th St",
            "address_2": "Suite 1A",
            "address_purpose": "LOCATION",
            "city": "Frederick",
            "state": "MD",
            "postal_code": "217014507",
            "country_code": "US",
            "telephone_number": "301-662-8477",
            "fax_number": "301-662-4293",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'CONNOR",
        "first_name": "BRIAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-17",
        "last_updated": "2019-05-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "MD",
            "license": "D0031761",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "MD",
            "license": "D31761",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA PVN",
            "identifier": "28658979",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST BCBS GHMSI",
            "identifier": "W575-0002",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST BCBS MARYLAND",
            "identifier": "523014-01",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "81961100",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNITED",
            "identifier": "971641",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Andrews Kwabena Nyantakyi, RN
• Isabelle Nyota, NP
• Olivia Nystrom
• Patricia Mary O Brien, PT
• John P O'Brien, LCSW-C
• Megan Elizabeth O'Connor
• Nancy Brauer O'Donnell, PT
• Celia Marie O'Fallon
• Jane O'Keefe
• Kelli L O'Neal, PA-C

• Medical Oncology Physician in Frederick, MD
• Providers in Frederick, MD by specialty
• Medical Oncology Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 15, 2019; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.